Observe Medical ASA: Mandatory notification of trade by primary insider

Oslo, 6 October 2025

Reference is made to the announcement by Observe Medical ASA (the "Company, OSE ticker "OBSVR") on 25 September 2025 regarding the launch of the subsequent offering of up to 24,000,000 new shares in the Company (the "Subsequent Offering"). The following primary insider has today subscribed for offer shares in the Subsequent Offering through the exercise of subscription rights, as set out below:

Line Tønnessen, a Board member of the Company, has exercised 190,858 subscription rights, entitling Line Tønnessen to be allocated 190,858 offer shares in the Subsequent Offering at a price per offer share of NOK 0.50.

Following the subscription, Tønnesen will hold 253,037 shares in the Company.

For more information, see the attached forms.

This information is subject to the disclosure requirements pursuant to article 19 of the EU Market Abuse Regulation and section 5-12 of the Norwegian Securities Trading Act.